Beginning at the turn of the millennium, DiabloSport came together as a small team of scientists and engineers from all walks of automotive, aerospace, software, and computer chip development and manufacturing. They shared passion for racing, and high performance on the street. The company soon distinguished itself by pioneering Electronic Engine Control technology that could handle the myriad of functions that modern vehicles perform.

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    • (1 reviews)
      # sp320
      Extreme Power Puck Module by DiabloSport®. Designed specifically for diesel engines, this under hood controller remaps fuel injection and timing to boost fuel economy and power to more extreme levels. For most vehicle applications,...
      Installs under hood easily with pre-fitted connectors, and requires no special toolsBoosts fuel economy by up to 4 miles per gallon under normal highway driving conditions
      $305.95 - $341.95
    • (9 reviews)
      # sp324
      Trinity Programmer by DiabloSport®. This hi-res color screen programmer plugs in to any vehicle’s OBD II port to remap ECU operation for increased power and mileage. The screen displays a wealth of vehicle gauge info, and lets...
      Windshield suction cup mounting bracket includedFeatures performance enhancing levels custom tuned for Economy, Performance, Towing, and Extreme Performance for modified vehicles
      $24.99 - $599.95
    • (0 reviews)
      # sp7787
      Catch Can by DiabloSport®. Eliminate all of that oil being transferred into your intake manifold through the factory PCV system decreasing the horsepower, torque, performance and life span of your vehicle. The DiabloSport Catch Can...
      Custom Machine Etched with DiabloSport LogoPrevents Detonation
      $152.95 - $163.95
    • (2 reviews)
      # sp9942
      InTune I2 Programmer by DiabloSport®. If you’ve ever wished you could buy a performance upgrade that makes your throttle more responsive, optimizes your transmission shift patterns, or even adds some bottom-end horsepower,...
      All New “Easy Tune” mode for simple tune installationAdds horsepower and torque while increasing fuel mileage
      $399.95
    • (1 reviews)
      # sp14818
      Modified PCM Kit by DiabloSport®. You will replace your vehicle’s stock PCM with the aftermarket Diablo PCM through a simple process that should only take about twenty minutes. Once you have replaced the factory PCM, you can...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $599.95 - $1,199.95
    • (8 reviews)
      # mpn192076011
      Trinity Programmer (T1000) by DiabloSport®. HP Gain: 15. TQ Gain: 20. This hi-res color screen programmer plugs in to any vehicle’s OBD II port to remap ECU operation for increased power and mileage. The screen displays a wealth...
      Windshield suction cup mounting bracket includedFeatures performance enhancing levels custom tuned for Economy, Performance, Towing, and Extreme Performance for modified vehicles
      $599.95
    • (0 reviews)
      # mpn2955228
      MAFia Interface Adaptor (F7373) by DiabloSport®. This controller mounts underneath your vehicle’s hood to control and regulate the voltage of your mass airflow (MAF) sensor. Increased MAF resolution and scaling allows power...
      Features 8 performance enhancing levels custom tuned for Economy, Performance, and Towing that are safe for stock OEM vehiclesAlso features performance enhancement programs designed specifically for modified and highly modified vehicles only which can bring horsepower up to a staggering 800
      $225.00
    • (0 reviews)
      # mpn2955236
      MAFia Interface Adaptor by DiabloSport®. This controller mounts underneath your vehicle’s hood to control and regulate the voltage of your mass airflow (MAF) sensor. Increased MAF resolution and scaling allows power increase...
      Features 8 performance enhancing levels custom tuned for Economy, Performance, and Towing that are safe for stock OEM vehiclesAlso features performance enhancement programs designed specifically for modified and highly modified vehicles only which can bring horsepower up to a staggering 800
      $199.00
    • (0 reviews)
      # mpn2955237
      MAFia Conversion Harness by DiabloSport®. DiabloSport's MAFia conversion harnesses are MAF interface accessories used to install the smaller, more efficient MAF sensor on various Ford vehicles. They're available in 24 in. lengths...
      Designed to control mass air meterMeasures 24 inches
      $202.95
    • (1 reviews)
      # mpn756513505
      InTune I2 Programmer (i2030) by DiabloSport®. If you are a horsepower junky and you need a fix, look no further. DiabloSport’s inTune i2 Performance Programmer is an easy way to boost power without even popping the hood! You get...
      New "Easy Tune" mode for simple installationDyno tested performance programs
      $399.95
    • (0 reviews)
      # mpn756513506
      InTune I2 Programmer (i2020) by DiabloSport®. If you are a horsepower junky and you need a fix, look no further. DiabloSport’s inTune i2 Performance Programmer is an easy way to boost power without even popping the hood! You get...
      New "Easy Tune" mode for simple installationDyno tested performance programs
      $399.95
    • (1 reviews)
      # mpn756513507
      InTune I2 Programmer (i2010) by DiabloSport®. If you are a horsepower junky and you need a fix, look no further. DiabloSport’s inTune i2 Performance Programmer is an easy way to boost power without even popping the hood! You get...
      New "Easy Tune" mode for simple installationDyno tested performance programs
      $399.95
    • (0 reviews)
      # mpn2955242
      Extreme Power Puck Module by DiabloSport®. Designed specifically for diesel engines, this under hood controller remaps fuel injection and timing to boost fuel economy and power to more extreme levels. For most vehicle applications,...
      Installs under hood easily with pre-fitted connectors, and requires no special toolsBoosts fuel economy by up to 4 miles per gallon under normal highway driving conditions
      $305.95
    • (0 reviews)
      # mpn2955216
      Extreme Power Puck Module by DiabloSport®. HP Gain: 100. TQ Gain: 150. Designed specifically for diesel engines, this under hood controller remaps fuel injection and timing to boost fuel economy and power to more extreme levels....
      Installs under hood easily with pre-fitted connectors, and requires no special toolsBoosts fuel economy by up to 4 miles per gallon under normal highway driving conditions
      $316.95
    • (0 reviews)
      # mpn2955203
      Extreme Power Puck Module by DiabloSport®. HP Gain: 100. TQ Gain: 150. Designed specifically for diesel engines, this under hood controller remaps fuel injection and timing to boost fuel economy and power to more extreme levels....
      Installs under hood easily with pre-fitted connectors, and requires no special toolsBoosts fuel economy by up to 4 miles per gallon under normal highway driving conditions
      $316.95
    • (0 reviews)
      # mpn2955213
      Extreme Power Puck Module by DiabloSport®. HP Gain: 100. TQ Gain: 150. Designed specifically for diesel engines, this under hood controller remaps fuel injection and timing to boost fuel economy and power to more extreme levels....
      Installs under hood easily with pre-fitted connectors, and requires no special toolsBoosts fuel economy by up to 4 miles per gallon under normal highway driving conditions
      $316.95
    • (0 reviews)
      # mpn2955217
      Extreme Power Puck Module by DiabloSport®. HP Gain: 100. TQ Gain: 150. Designed specifically for diesel engines, this under hood controller remaps fuel injection and timing to boost fuel economy and power to more extreme levels....
      Installs under hood easily with pre-fitted connectors, and requires no special toolsBoosts fuel economy by up to 4 miles per gallon under normal highway driving conditions
      $316.95
    • (0 reviews)
      # mpn2955202
      Extreme Power Puck Module by DiabloSport®. HP Gain: 100. TQ Gain: 150. Designed specifically for diesel engines, this under hood controller remaps fuel injection and timing to boost fuel economy and power to more extreme levels....
      Installs under hood easily with pre-fitted connectors, and requires no special toolsBoosts fuel economy by up to 4 miles per gallon under normal highway driving conditions
      $341.95
    • (0 reviews)
      # mpn2955208
      Extreme Power Puck Module by DiabloSport®. HP Gain: 100. TQ Gain: 150. Designed specifically for diesel engines, this under hood controller remaps fuel injection and timing to boost fuel economy and power to more extreme levels....
      Installs under hood easily with pre-fitted connectors, and requires no special toolsBoosts fuel economy by up to 4 miles per gallon under normal highway driving conditions
      $316.95
    • (0 reviews)
      # mpn1675088496
      Modified PCM with InTune i2 Programmer (PKIT-DR576S15-I) by DiabloSport®. You will replace your vehicle’s stock PCM with the aftermarket Diablo PCM through a simple process that should only take about twenty minutes. Once you...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $899.95
    • (0 reviews)
      # mpn1675088495
      Modified PCM with Trinity Programmer (PKIT-DR576S15-T) by DiabloSport®. You will replace your vehicle’s stock PCM with the aftermarket Diablo PCM through a simple process that should only take about twenty minutes. Once you have...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $999.95




    DiabloSport engineers combined their developments with their enthusiasm for performance to come out with a line of hand-held automotive tuners and chips for boosted performance and mileage gains. As microprocessor speeds and power increased over the years, DiabloSport added new capacities to automotive tuners that went beyond the basics. Tuner units could be adjusted by the user to account for and make the most of specific vehicle modifications such as larger tire sizes, larger aftermarket cold air intakes, mass airflow sensor enhancement, revised axle gear ratios, and more.

    DiabloSport Programmer DiabloSport Warranty DiabloSport About

    If you enjoy measuring your performance in timed runs, DiabloSport tuners offer the ability to track it all for you when no one else is around to hold the stopwatch. The Dragstrip timing feature allows you to clock quarter-mile, eighth-mile, zero-to-sixty, and zero-to-100 measurements based directly on speedometer and distance input from the vehicle itself. Unlike other brands of programmers, DiabloSport units can start the clock the instant you press the accelerator pedal, or give you racetrack style red-yellow-green light warnings first.

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    Diablo tuners also provide the ability to share their advanced engine monitoring abilities with you in the form of diagnostic readouts that show any fault codes that occur during normal vehicle operation. Then inform you exactly what they signify so you can tell a serious problem pattern from an intermittent “hiccup” or loose gas cap. This provides you with dealership knowledge without the inconvenience and cost of going to the dealership. Customers often say the Diablo engine tuner has paid for itself many times over because of this.

    DiabloSport engineers take pride in their work, and take it personally if any product doesn't perform perfectly. All schematics, PCB boards, software and product casings are designed-in house before molds for plastic injection manufacturing are created. Prototypes are built and tested for each vehicle application on dynamometers, on the racetrack, and on the street. Robotic assembly of components on modern automated production lines is monitored closely, then finished products are selected at random and road tested again to ensure zero glitches when you're counting on them the most.

    DiabloSport Reviews

    Average rating:  4.5  4.6 - 26 reviews
    Read All DiabloSport Reviews
    4.5 of 5
    Diablo Tuned Silverado
    Product is awesome. It is easy to install any tune and revert back to stock. Screen is kind of small and I tend to fat finger certain buttons but there's always a second screen so no mistakes were ever installed. Great tuner however, it did take 2 weeks before it was even shipped so that was upsetting!
    JPosted by Josue (San Diego, CA) /
    2014 Chevy Silverado
    Was this review helpful for you? Yes
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